| 1 | /* $Id: PDMAllCritSectBoth.cpp 62478 2016-07-22 18:29:06Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * PDM - Code Common to Both Critical Section Types, All Contexts.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2016 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | /*********************************************************************************************************************************
|
|---|
| 20 | * Header Files *
|
|---|
| 21 | *********************************************************************************************************************************/
|
|---|
| 22 | #define LOG_GROUP LOG_GROUP_PDM//_CRITSECT
|
|---|
| 23 | #include "PDMInternal.h"
|
|---|
| 24 | #include <VBox/vmm/pdmcritsect.h>
|
|---|
| 25 | #include <VBox/vmm/pdmcritsectrw.h>
|
|---|
| 26 | #include <VBox/vmm/vm.h>
|
|---|
| 27 | #include <VBox/err.h>
|
|---|
| 28 |
|
|---|
| 29 | #include <VBox/log.h>
|
|---|
| 30 | #include <iprt/assert.h>
|
|---|
| 31 | #include <iprt/asm.h>
|
|---|
| 32 |
|
|---|
| 33 |
|
|---|
| 34 | #if defined(IN_RING3) || defined(IN_RING0)
|
|---|
| 35 | /**
|
|---|
| 36 | * Process the critical sections (both types) queued for ring-3 'leave'.
|
|---|
| 37 | *
|
|---|
| 38 | * @param pVCpu The cross context virtual CPU structure.
|
|---|
| 39 | */
|
|---|
| 40 | VMM_INT_DECL(void) PDMCritSectBothFF(PVMCPU pVCpu)
|
|---|
| 41 | {
|
|---|
| 42 | uint32_t i;
|
|---|
| 43 | Assert( pVCpu->pdm.s.cQueuedCritSectLeaves > 0
|
|---|
| 44 | || pVCpu->pdm.s.cQueuedCritSectRwShrdLeaves > 0
|
|---|
| 45 | || pVCpu->pdm.s.cQueuedCritSectRwExclLeaves > 0);
|
|---|
| 46 |
|
|---|
| 47 | /* Shared leaves. */
|
|---|
| 48 | i = pVCpu->pdm.s.cQueuedCritSectRwShrdLeaves;
|
|---|
| 49 | pVCpu->pdm.s.cQueuedCritSectRwShrdLeaves = 0;
|
|---|
| 50 | while (i-- > 0)
|
|---|
| 51 | {
|
|---|
| 52 | # ifdef IN_RING3
|
|---|
| 53 | PPDMCRITSECTRW pCritSectRw = pVCpu->pdm.s.apQueuedCritSectRwShrdLeaves[i];
|
|---|
| 54 | # else
|
|---|
| 55 | PPDMCRITSECTRW pCritSectRw = (PPDMCRITSECTRW)MMHyperR3ToCC(pVCpu->CTX_SUFF(pVM),
|
|---|
| 56 | pVCpu->pdm.s.apQueuedCritSectRwShrdLeaves[i]);
|
|---|
| 57 | # endif
|
|---|
| 58 |
|
|---|
| 59 | pdmCritSectRwLeaveSharedQueued(pCritSectRw);
|
|---|
| 60 | LogFlow(("PDMR3CritSectFF: %p (R/W)\n", pCritSectRw));
|
|---|
| 61 | }
|
|---|
| 62 |
|
|---|
| 63 | /* Last, exclusive leaves. */
|
|---|
| 64 | i = pVCpu->pdm.s.cQueuedCritSectRwExclLeaves;
|
|---|
| 65 | pVCpu->pdm.s.cQueuedCritSectRwExclLeaves = 0;
|
|---|
| 66 | while (i-- > 0)
|
|---|
| 67 | {
|
|---|
| 68 | # ifdef IN_RING3
|
|---|
| 69 | PPDMCRITSECTRW pCritSectRw = pVCpu->pdm.s.apQueuedCritSectRwExclLeaves[i];
|
|---|
| 70 | # else
|
|---|
| 71 | PPDMCRITSECTRW pCritSectRw = (PPDMCRITSECTRW)MMHyperR3ToCC(pVCpu->CTX_SUFF(pVM),
|
|---|
| 72 | pVCpu->pdm.s.apQueuedCritSectRwExclLeaves[i]);
|
|---|
| 73 | # endif
|
|---|
| 74 |
|
|---|
| 75 | pdmCritSectRwLeaveExclQueued(pCritSectRw);
|
|---|
| 76 | LogFlow(("PDMR3CritSectFF: %p (R/W)\n", pCritSectRw));
|
|---|
| 77 | }
|
|---|
| 78 |
|
|---|
| 79 | /* Normal leaves. */
|
|---|
| 80 | i = pVCpu->pdm.s.cQueuedCritSectLeaves;
|
|---|
| 81 | pVCpu->pdm.s.cQueuedCritSectLeaves = 0;
|
|---|
| 82 | while (i-- > 0)
|
|---|
| 83 | {
|
|---|
| 84 | # ifdef IN_RING3
|
|---|
| 85 | PPDMCRITSECT pCritSect = pVCpu->pdm.s.apQueuedCritSectLeaves[i];
|
|---|
| 86 | # else
|
|---|
| 87 | PPDMCRITSECT pCritSect = (PPDMCRITSECT)MMHyperR3ToCC(pVCpu->CTX_SUFF(pVM), pVCpu->pdm.s.apQueuedCritSectLeaves[i]);
|
|---|
| 88 | # endif
|
|---|
| 89 |
|
|---|
| 90 | PDMCritSectLeave(pCritSect);
|
|---|
| 91 | LogFlow(("PDMR3CritSectFF: %p\n", pCritSect));
|
|---|
| 92 | }
|
|---|
| 93 |
|
|---|
| 94 | VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_PDM_CRITSECT);
|
|---|
| 95 | }
|
|---|
| 96 | #endif /* IN_RING3 || IN_RING0 */
|
|---|
| 97 |
|
|---|
